Numbers for which the nozero power-sequence of n falls into a loop.

Terms

a(0) =1a(1) =366784a(2) =14877a(3) =531136a(4) =29287878125a(5) =13631616a(6) =18916327a(7) =1245376a(8) =118971a(9) =1a(10) =24871a(11) =1942272a(12) =377414623a(13) =361123756a(15) =453559756a(16) =16185473a(17) =4136832a(18) =113758939a(19) =366784a(20) =164961711a(21) =3179798512a(22) =131147731a(23) =1841716224a(25) =118754727776